| amycolatopsis sp. | Yes | no rank | bacteria | bacteria | species | 37632 | click here |
| andean potato latent virus | Yes | species | viruses and viroids | viruses | species | 73819 | click here |
| andean potato mild mosaic virus | Yes | species | | | species | 1296569 | click here |
| andean potato mottle virus | Yes | species | viruses and viroids | viruses | species | 12259 | click here |
| aphanomyces cladogamus | Yes | species | eukaryota | plants | species | 253176 | click here |
| aphelenchoides sp. 10asp | Yes | no rank | | | species | 2048060 | click here |
| aphelenchoides sp. asp25 | Yes | no rank | | | species | 2048081 | click here |
| aphid lethal paralysis virus | Yes | species | viruses and viroids | viruses | species | 209529 | click here |
| aphis craccivora | No | species | eukaryota | invertebrates | species | 307492 | click here |
| aphis fabae | Yes | species | eukaryota | invertebrates | species | 191316 | click here |
| aphis glycines virus 1 | Yes | no rank | | | species | 1436816 | click here |
| aphis gossypii | Yes | species | eukaryota | invertebrates | species | 80765 | click here |
| aphis nerii | Yes | species | eukaryota | invertebrates | species | 100479 | click here |
| aphis spiraecola | Yes | species | eukaryota | invertebrates | species | 224527 | click here |
| apiosordaria backusii | Yes | species | eukaryota | plants | species | 314023 | click here |
| apodus oryzae | Yes | species | eukaryota | plants | species | 303345 | click here |
| apple scar skin viroid | Yes | species | viruses and viroids | viruses | species | 12895 | click here |
| arabis mosaic virus | Yes | species | viruses and viroids | viruses | species | 12271 | click here |
| arracacha latent virus c | Yes | species | | | species | 2057938 | click here |
| arracacha latent virus v | Yes | species | | | species | 2057934 | click here |
| arracacha virus b | Yes | no rank | viruses and viroids | viruses | species | 257463 | click here |
| arsenicicoccus sp. b16 | Yes | no rank | bacteria | bacteria | species | 482469 | click here |
| arsenophonus endosymbiont of bemisia tabaci | Yes | no rank | bacteria | bacteria | species | 536059 | click here |
| arthrinium arundinis | Yes | species | eukaryota | plants | species | 335852 | click here |
| arthrinium rasikravindrii | Yes | no rank | eukaryota | plants | species | 990691 | click here |
| arthrinium sp. cbs 133480 | Yes | no rank | | | species | 1979516 | click here |
| arthrinium sp. ccy2(1) | Yes | no rank | | | species | 1576852 | click here |
| arthrobacter citreus | Yes | species | bacteria | bacteria | species | 1670 | click here |
| arthrobacter crystallopoietes | Yes | species | bacteria | bacteria | species | 37928 | click here |
| arthrobacter globiformis | Yes | species | bacteria | bacteria | species | 1665 | click here |
| arthrobacter humicola | Yes | species | bacteria | bacteria | species | 409291 | click here |
| arthrobacter oryzae | Yes | species | bacteria | bacteria | species | 409290 | click here |
| arthrobacter pascens | Yes | species | bacteria | bacteria | species | 1677 | click here |
| arthrobacter sp. | Yes | species | bacteria | bacteria | species | 1667 | click here |
| arthrobacter sp. i-4-6 | Yes | no rank | | | species | 1309412 | click here |
| arthrobacter sp. kar53 | Yes | no rank | | | species | 1683931 | click here |
| arthrobacter sp. lkro3 | Yes | no rank | bacteria | bacteria | species | 912624 | click here |
| arthrobacter sp. lkso2 | Yes | no rank | bacteria | bacteria | species | 912625 | click here |
| arthrobacter sp. s02 | Yes | no rank | | | species | 1465491 | click here |
| arthrobacter tumbae | Yes | species | bacteria | bacteria | species | 163874 | click here |
| arthrobotrys foliicola | Yes | species | eukaryota | plants | species | 47241 | click here |
| arthrobotrys sp. ufmgcb 2231 | Yes | no rank | eukaryota | plants | species | 875157 | click here |
| arthrocladiella mougeotii | Yes | species | eukaryota | plants | species | 79247 | click here |
| artichoke italian latent virus | Yes | species | viruses and viroids | viruses | species | 46075 | click here |
| artichoke latent virus | Yes | species | viruses and viroids | viruses | species | 46076 | click here |
| artichoke mottled crinkle virus | Yes | species | viruses and viroids | viruses | species | 12142 | click here |
| artichoke yellow ringspot virus | Yes | species | viruses and viroids | viruses | species | 348894 | click here |
| asca sp. 3 nfs-2015 | Yes | no rank | | | species | 1609171 | click here |
| ascochyta medicaginicola | Yes | species | eukaryota | plants | species | 107450 | click here |
| ascochyta sp. | Yes | species | | | species | 1756117 | click here |
| ascomycota sp. | Yes | species | | | species | 1709939 | click here |
| ascomycota sp. pp-2011 | Yes | no rank | eukaryota | plants | species | 945227 | click here |
| aspergillus aculeatus | Yes | species | eukaryota | plants | species | 5053 | click here |
| aspergillus awamori | Yes | species | eukaryota | plants | species | 105351 | click here |
| aspergillus brasiliensis | Yes | species | eukaryota | plants | species | 319629 | click here |
| aspergillus carbonarius | Yes | species | eukaryota | plants | species | 40993 | click here |
| aspergillus cervinus | Yes | species | eukaryota | plants | species | 41749 | click here |
| aspergillus dimorphicus | Yes | species | eukaryota | plants | species | 36641 | click here |
| aspergillus flavipes | Yes | species | eukaryota | plants | species | 41900 | click here |
| aspergillus flavus | Yes | species | eukaryota | plants | species | 5059 | click here |
| aspergillus foveolatus | Yes | species | eukaryota | plants | species | 210207 | click here |
| aspergillus fumigatiaffinis | Yes | species | eukaryota | plants | species | 340414 | click here |
| aspergillus fumigatus | Yes | species | eukaryota | plants | species | 746128 | click here |
| aspergillus luchuensis | Yes | species | | | species | 1069201 | click here |
| aspergillus melleus | Yes | species | eukaryota | plants | species | 138277 | click here |
| aspergillus minisclerotigenes | Yes | species | eukaryota | plants | species | 656917 | click here |
| aspergillus nidulans | Yes | species | eukaryota | plants | species | 162425 | click here |
| aspergillus niger | Yes | species | eukaryota | plants | species | 5061 | click here |
| aspergillus ochraceopetaliformis | Yes | species | eukaryota | plants | species | 176175 | click here |
| aspergillus ochraceus | Yes | species | eukaryota | plants | species | 40380 | click here |
| aspergillus oryzae | Yes | species | eukaryota | plants | species | 5062 | click here |
| aspergillus parasiticus | Yes | species | eukaryota | plants | species | 5067 | click here |
| aspergillus persii | Yes | species | eukaryota | plants | species | 306094 | click here |
| aspergillus pseudoglaucus | Yes | species | | | species | 1405805 | click here |
| aspergillus qinqixianii | Yes | species | | | species | 1810924 | click here |
| aspergillus quadrilineatus | Yes | species | eukaryota | plants | species | 41735 | click here |
| aspergillus sp. | Yes | no rank | eukaryota | plants | species | 5065 | click here |
| aspergillus sp. hwg1(2) | Yes | no rank | | | species | 1576853 | click here |
| aspergillus sp. l2 ba | Yes | no rank | | | species | 1837856 | click here |
| aspergillus stellatus | Yes | species | | | species | 1549217 | click here |
| aspergillus striatus | Yes | species | eukaryota | plants | species | 469280 | click here |
| aspergillus sydowii | Yes | species | eukaryota | plants | species | 75750 | click here |
| aspergillus tamarii | Yes | species | eukaryota | plants | species | 41984 | click here |
| aspergillus terreus | Yes | species | eukaryota | plants | species | 33178 | click here |
| aspergillus tubingensis | Yes | species | eukaryota | plants | species | 5068 | click here |
| aspergillus versicolor | Yes | species | eukaryota | plants | species | 46472 | click here |
| asphondylia capsicicola | Yes | species | | | species | 1871105 | click here |
| asphondylia gennadii | Yes | species | eukaryota | invertebrates | species | 197032 | click here |
| aster yellows phytoplasma | Yes | subspecies | bacteria | bacteria | species | 35779 | click here |
| asticcacaulis benevestitus | Yes | species | bacteria | bacteria | species | 347481 | click here |
| athelia rolfsii | No | species | eukaryota | plants | species | 39291 | click here |
| athelia rolfsii | Yes | species | eukaryota | plants | species | 39291 | click here |
| atlantibacter hermannii | Yes | species | bacteria | bacteria | species | 565 | click here |
| aulacophora foveicollis | Yes | species | | | species | 1476883 | click here |
| aulacorthum solani | Yes | species | eukaryota | invertebrates | species | 202456 | click here |
| aurantimonas sp. | Yes | species | | | species | 1872654 | click here |
| aurantiporus sp. | Yes | species | | | species | 1983618 | click here |
| aureimonas ureilytica | Yes | species | bacteria | bacteria | species | 401562 | click here |
| aureobasidium pullulans | Yes | species | eukaryota | plants | species | 5580 | click here |
| ayyaria chaetophora | Yes | species | | | species | 1291247 | click here |